Iowa DOT

Volume of Traffic on the Primary Road System

Route	2015	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2015				Motorcylces	Cars, vans and pickups	Total trucks and buses	Single unit trucks				Combination trucks				All vehicles	Trucks and buses
	Primary route section description							Single unit trucks				Combination trucks
	Primary route section description							Buses	2Axles	3Axles	4 or more axles	4 or less axles	5Axles	6 or more axles	Multiple trailers
20	13 Calhoun COUNTY
20	IA 4 INTERCHANGE	Rural	9.581	4470	17	3141	1312	23	112	25	3	110	950	38	52	42827	12570
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.297	820	3	560	257	6	30	7	1	20	176	7	9	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.281	780	3	547	230	6	28	6	1	18	156	6	8	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.414	450	2	284	164	4	17	4	0	13	115	5	6	0	0
20	NORTH-WEST SOUTH-WEST	Rural	0.415	510	2	338	170	3	16	3	0	14	121	5	6	0	0
20	INTERSECTION CO RD N57	Rural	1.998	5500	22	4054	1424	26	127	28	3	119	1024	41	56	10989	2845
20	INTERSECTION CO RD N65	Rural	3.933	5800	23	4353	1424	26	127	28	3	119	1024	41	56	22811	5601
20	INTERSECTION CO RD P19	Rural	5.013	6000	24	4552	1424	26	127	28	3	119	1024	41	56	30078	7139
20	WEST LINE OF WEBSTER COUNTY	Rural	2.994	6200	25	4751	1424	26	127	28	3	119	1024	41	56	18563	4263
	ROUTE SUMMARY - RURAL		24.926	5060												125268	32418